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2?????????

3???????????

4??????

5?????

?1????6?? ??????,??????,??

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?,??,?????????,1966??7?????,??,??1986?7?,1986?????6???????????????

1986???7???1987???10???????????????,??;

1987????????????10?1998?6????????,???,???????????????????????;

1998?6??2005????????????????9?,?????,???,??????????;

2005?9?2013???12?,????????????????????????????????,?;

2013?12?2018??11??,?????????????????;

2018?11??????????,??????????,??????????????????? ??????????????:??